/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h
Attempts to find an existingMetasoundclass description corresponding to a dependency which matches the provided class information. If the class is not found in the current dependencies, it is added to the dependencies.
A pointer to the object, or nullptr on error.
[FConstClassAccessPtr](API\Plugins\MetasoundFrontend\FConstClassAccessPtr) FindOrAddClass ( const [FMetasoundFrontendClassMetadata](API\Plugins\MetasoundFrontend\FMetasoundFrontendClassMetadata) & InMetadata )